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| Naji, M. |
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| Motta, Antonella |
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| Aletan, Dirar |
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| Mohamed, Tarek |
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| Ertürk, Emre |
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| Taccardi, Nicola |
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| Kononenko, Denys |
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| Petrov, R. H. | Madrid |
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| Alshaaer, Mazen | Brussels |
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| Bih, L. |
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| Casati, R. |
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| Muller, Hermance |
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| Kočí, Jan | Prague |
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| Šuljagić, Marija |
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| Kalteremidou, Kalliopi-Artemi | Brussels |
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| Azam, Siraj |
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| Ospanova, Alyiya |
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| Blanpain, Bart |
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| Ali, M. A. |
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| Popa, V. |
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| Rančić, M. |
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| Ollier, Nadège |
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| Azevedo, Nuno Monteiro |
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| Landes, Michael |
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| Rignanese, Gian-Marco |
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Basrour, Skandar
Université Grenoble Alpes
in Cooperation with on an Cooperation-Score of 37%
Topics
Publications (29/29 displayed)
- 2024Gas phase growth of metal-organic frameworks on microcantilevers for highly sensitive detection of volatile organic compoundscitations
- 2024Piezoelectric MEMS Flexural-Plate-Wave Transducer for Alignment of Microparticles in a Drying Dropletcitations
- 2023Dielectric Study of Cost-Effective, Eco-Friendly PVA-Glycerol Matrices with AgNW Electrodes for Transparent Flexible Humidity Sensorscitations
- 2023Flexural Plate Wave Piezoelectric MEMS Pressure Sensorcitations
- 2023Cell Alignment in Aqueous Solution Employing a Flexural Plate Wave Piezoelectric MEMS Transducercitations
- 2022Flexural Plate Wave Piezoelectric MEMS Transducer for Cell Alignment in Aqueous Solutioncitations
- 2022Structural, thermal and dielectric properties of glycerolized hydrogen-bonded polyvinyl alcohol filmscitations
- 2022A smart battery free system for wireless condition monitoring using piezoelectric energy harvestercitations
- 2022Modeling and Measurement of an Ultrasound Power Delivery System for Charging Implantable Devices Using an AlN-Based pMUT as Receivercitations
- 2022Electrical properties modulation of PVA-glycerol based composites for flexible sensorscitations
- 2021Chaotic ultrasound generation using a nonlinear piezoelectric microtransducercitations
- 2021Study of structural and electrical properties of ferroelectric HZO films obtained by single-target sputteringcitations
- 2021A Self-Powered and Battery-Free Vibrational Energy to Time Converter for Wireless Vibration Monitoringcitations
- 2021A Self-Powered and Battery-Free Vibrational Energy to Time Converter for Wireless Vibration Monitoringcitations
- 2016Butterfly micro bilayer thermal energy harvester geometry with improved performances
- 2016Dynamic piezoelectric response of cellular micro-structured PDMS ferro-electret material under the impact of polymeric reticulation
- 2015Characterization of a smartphone size haptic rendering system based on thin-film ALN transduction on glass
- 2015A Predictive model for the effective dielectric permittivity of micro-structured polymer as ferroelectret material for micro-sensors applications
- 2015Dielectric properties modelling of cellular structures with PDMS for micro-sensor applicationscitations
- 2015Fabrication of bilayer plate for a micro thermal energy harvester
- 2010Modelling of dielectric polymers for energy scavenging applicationscitations
- 2010Dielectric properties of polyacrylate thick films used in sensors and actuatorscitations
- 2008Dielectrical properties of Metal-Insulator-Metal Aluminium Nitride structures: measurement and modelingcitations
- 2006A Bi-stable Micro-machined Piezoelectric Transducer for Mechanical to Electrical Energy Transformationcitations
- 2005A Bi-stable Micro-machined Piezoelectric Transducer for Mechanical to Electrical Energy Transformation
- 2005Piezoelectric micro-machined ultrasonic transducer (pMUT) for energy harvestingcitations
- 2002Electroacoustic interaction between SAW and vibration modes of high-aspect-ratio electrodes built using LIGA-UV techniques on singly rotated lithium niobate wafers
- 2001Experimental observation of higher order surface acoustic modes in high aspect ratio electroplated nickel electrodes on Y+128 lithium niobate
- 2000X-ray characterization of residual stresses in electroplated nickel used in LIGA technique
Places of action
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article
Dielectric Study of Cost-Effective, Eco-Friendly PVA-Glycerol Matrices with AgNW Electrodes for Transparent Flexible Humidity Sensors
Abstract
International audience ; In this work, a deep insight is given into the dielectric properties and the humidity response of flexible polymer matrices, composed of polyvinyl alcohol (PVA) and glycerol (Gly), using silver nanowire networks as transparent electrodes (AgNW TE). These electrodes, known for their high electrical conductivity, optical transparency, and excellent flexibility, are deposited here by open-air, scalable spray coating technique. Analysis of the dielectric constant ε′ and loss tangent tanδ according to the density of the AgNWs shows that the latter do not cover the entire surface with PVA and induces an interfacial polarization effect. Wide frequency range of impedance spectroscopy (1Hz to 1MHz) on both, PVA-Gly samples with AgNW TE (4 Ω sq−1) networks electrodes and sputtered silver electrodes (Ag bulk el), reveal no significant change in ε′ and tanδ. Finally, the humidity sensing properties of PVA-Gly exhibit good response between 20% to 90% humidity range and low hysteresis. This is related to the non-continuous structure of AgNW TE. At 100Hz, the PVA-10 wt% Gly presents high sensitivity of 0.08nF/% RH with an hysteresis value of about 1.5% at 70% RH. These results indicate that AgNW networks show great potential for integration in transparent and flexible humidity sensors.